Portable electric lamp



Sept. 12, 1933. LUDWIG PQRTABLE ELECTRIC LAMP Filed Jan. 14

IN VEN TOR L o u/ s L 0 ow 1 7 QW JLM A TTORNEY.

Patented Sept. 12, 1933 Q 1,926,239

AUNITED STATES- PATENT oFF-lcs Application January 14, 1931. Serial No. 508,700

.2 Claims. (01. 240-54) The invention relates to portable lamps and vided with a downwardly bent terminal 33 in has for its main object to provide a lamp parwhich a screw 34 is threaded. ticularly suitable for use in or around garages A narrow strip of metal is bent into a U shape and which, while of pleasing appearance and having one long and one short leg. The short leg .5 strong and rugged construction, can still be manforms the center contact 35 of the lamp socket 60 uiactured at a low cost. while the long leg is bent downwardly to form While I am aware that the prior art discloses the second contact, or terminal, 36. A screw 3'7 lamps Which may be made to S rve a Simila puris threaded in this terminal. The metal strip is pose, the present invention has many advantages riveted to the base by a rivet 38, as plainly shown over these, both in the material used and in its in Figs. 4 and 5. The-ferrule 2'7 is made of very c nstru tion. These adv s wi l b l rly light metal and slit on one side as shown at 39. understood from the following description and The guard 13, of hi h only one half is shown from the accompanying drawing of a preferred in Fig 1 is made f a pmmlity of wires 4 tembodiment in which, however, certain modificatached t clamp 41, A h k 42 is formed on tions might be made without departing from the top of the guard and from thi th lamp may Scope of P mvention In the drewihg be suspended when not in use. A screw 43 clamps 1 15 a S1 de elevetlonef the Improved lamp the guard securely in the groove 15 of the handle Shown partly 1!1 T0S$-Se(3t10n, member. The wires from a, preferably, rubber 2 a top Vlew of the handle member taken covered cord 44 are connected to the terminals on h in 33 and 36. A insulating disc 45'is inserted in the 5. 3 a e e of the handle member on recess 17 and the wires are knotted on top'of this m g disc, as shown at 46, to take the strain of the 4 a plan of the lamp socket and wires and prevent the cord from'being pulled out Fig. 5 a cross-section of same on line 5-5 in of the hand1e As the handle member is made of soft, flexible 80 Flgs' 4 M1635 are drawn to larger scale rubber, the diameter of the recess 14 can be made than the other Vlews considerable smaller than the diameter of the The lamp consists of a handle member 10, a lamp socket 11, an electric lamp l2 and a guard 13. The handle member is made of soft, flexible rubber and is provided at one end with a concentric recess 14 and a wide circumferential groove 15. A hole 16 is formed lengthwise from hecommg unscrewed whhe m through the handle member and a smaller recess It h be h that I have produced a portable 17 is formed in the bottom of the main recess m hlghly Sultahle for the purpose h It 90 14. Two oppositely disposed grooves 18 and 19 .0911 be handled with. Wet hand? Wlthout the are formed in the main recess and they terminate slightest danger and t construction of the in two sidewardly disposed grooves 20 and 21, dle is such that it will withstandv the hardest These grooves, together with two lugs 22 and 23 usage; advantages of real importance in a lamp which are moulded on the base 24 of the lamp to be used around automobiles. socket, form a so-called bayonet joint. While Having described my invention, whatI claim as the grooves are shown in the handle member and new nd ish to rotect by Letters Patent is: the lugs on th as t y may, of course. be 1. In a portable lamp of the class described, a Versedhandle member made of flexible rubber, a recess The lamp socket consists of an insulating base formed in one end of said handle member and having two lugs 22 and as preYiously said communicating with a hole formed through the and also two semicircular inqentatlons 25 and axis thereof, a lamp socket inserted in said re- 26 in which the electric termmals are located cess, the ferrule forming part of said lamp socket 5 A thrhaided ferrule clamped fi. a??? g slit on one side, a groove formed on the outside semlclrcular yoke 23 m the ends 0 W 16 0 es of the handle member around the recess, a guard e r are punched. These holes align with holes in th having a clamplng member sesured m Saudi groove,

w 'nwardl turned flan es 29 and 30, the i of the fgerrule, and with said clamping member also constituting a means holes moulded in the base. Riveted eyelets 31 and for clamping the p socket in t r ss as w ll 32 hold these parts together. The yoke is proas the p in the p Socket. and t e Wi es 110 socket so as to hold this firmly in place. Furthermore, as the ferrule is split, the lamp will be held very firmly in the socket whenthe clamp onthe guard is tightened. This prevents the lamp connected to the lamp socket passing-through the hole in the handle.

2. In a portable lamp of the class described; a handle member made of flexible rubber; a recess, having a plurality of bayonet-joint grooves provided therein, formed in one end of said handle member and communicating with a hole formed through the axis thereof; a lamp socket, mounted on a base having a plurality of bayonet-joint pro- 

